Dave Schaeffer sold $948K of Cogent Communications (CCOI)

Executed May 28 2025, disclosed May 29 2025, 1 day later.

Value, as filed

$948K

20,000 sh × $47.41

Executed

May 28 2025

the trade date, as filed

Disclosed

May 29 2025

1 day after the trade

Return, 21 sessionsiFrom the disclosed entry session; derived

–

purchases only

Returns are measured on stock purchases only.

The filer

DS Dave Schaeffer CHAIRMAN, CEO, AND PRESIDENT profile →

Dave Schaeffer (CHAIRMAN, CEO, AND PRESIDENT) filed 27 Form 4 reports in the past 24 months (0 purchases, 27 sales), most often in CCOI. The largest single filing was $60.0M of CCOI (1,840,669 sh × $32.60, as filed), executed Aug 7 2025.

The name

CCOI CCOI CCOI · 44 filings in 24 months ticker → Insider filings, newest first→ View the original filing at www.sec.gov→

Other filings by Dave Schaeffer in CCOI

CCOISALE COGENT COMMUNICATIONS HOLDINGS, INC. $22.5M
818,909 sh × $27.50
Exec Aug 8 2025
Filed Aug 11 2025 · 5:30 PM ET CCOISALE COGENT COMMUNICATIONS HOLDINGS, INC. $60.0M
1,840,669 sh × $32.60
Exec Aug 7 2025
Filed Aug 8 2025 · 5:30 PM ET CCOISALE COGENT COMMUNICATIONS HOLDINGS, INC. $3.3M
70,000 sh across 2 lots
Exec Jun 16 2025
Filed Jun 16 2025 · 5:30 PM ET CCOISALE COGENT COMMUNICATIONS HOLDINGS, INC. $2.6M
55,000 sh across 2 lots
Exec Jun 13 2025
Filed Jun 16 2025 · 5:30 PM ET CCOISALE COGENT COMMUNICATIONS HOLDINGS, INC. $2.6M
55,000 sh across 2 lots
Exec Jun 12 2025
Filed Jun 12 2025 · 5:30 PM ET CCOISALE COGENT COMMUNICATIONS HOLDINGS, INC. $2.7M
55,000 sh across 2 lots
Exec Jun 11 2025
Filed Jun 12 2025 · 5:30 PM ET CCOISALE COGENT COMMUNICATIONS HOLDINGS, INC. $2.7M
55,000 sh across 2 lots
Exec Jun 10 2025
Filed Jun 10 2025 · 5:30 PM ET CCOISALE COGENT COMMUNICATIONS HOLDINGS, INC. $2.7M
55,000 sh across 2 lots
Exec Jun 9 2025
Filed Jun 9 2025 · 5:30 PM ET